Two-gang or Single-gang with WP101 and WP102 Inserts, 3-1/4-Inch Depth, Clear * Complies with 2008 NEC Article 406.8(B) * Patented inserts offer more configurations and cover more jobs * Heavy-duty polycarbonate construction * Meets requirements for cold impact testing at -60 Degree Fahrenheit (-51 Degree Celsius)